Paper-pulp.



* UNITED STATES Patented November 15, 1904.

PAT NT OFFICE.

PAPER-PU LP.

SPECIFICATION forming part of Letters Patent No. 774,982, dated November 15, 1904.

Application filed February 16, 1903. Serial No. 143,665. (No specimens.)

of which the following is a specification.

This invention relates to a process of manufacture of a new paper-pulp which is of exceptional homogeneousness and whiteness and with which a very cheap, strong, and fine paper can be produced.

According to this invention the pulp is prepared from the bark or skin of a lace-bark tree called daphne of the T/tymelacce family, met in large numbers in Cambodia, Tonkin, and lndo-China and known under the name of quaic. The bark is removed and soaked in water for a week, then drained and passed through a chaff-cutting machine and then ground in order to get out its special fibrous part by removing the slight scaly layer of wood which covers it. This bark is then treated like ordinary rags used for the manufacture of paper.

A process of manufacture of a new paperpulp consisting in taking the bark or skin of a lace bark tree called daphne' of the Thymelacee family, in soaking said bark in water for a week, in draining and passing it through a chaii-cutting machine, in grinding it then in order to get out its special fibrous part by removing the slight scaly layer of wood which covers it, and in treating it finally like ordinary rags used for the manufacture of paper, substantially as and for the purpose set forth.

In witness whereof I have hereunto set my hand in presence of two witnesses.

JEAN FERRAND.

Witnesses:

LoUIs Yosr, EDWARD P. MAoLEAN. 

